Home / 898,339,981.40-1,347,509,972.10-217,535,629.40

Finding the Fourth Proportional to 898,339,981.40, 1,347,509,972.10 and 217,535,629.40

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Solution

The fourth proportional to 898,339,981.40, 1,347,509,972.10 and 217,535,629.40 is: 326,303,444.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,339,981.40 : 1,347,509,972.10 = 217,535,629.40 : x
  2. Step 2: Convert to fraction form
    898,339,981.40/1,347,509,972.10 = 217,535,629.40/x
  3. Step 3: Cross multiply
    898,339,981.40x = 1,347,509,972.10 × 217,535,629.40
  4. Step 4: Simplify right side
    898,339,981.40x = 293,131,429,903,549,952
  5. Step 5: Solve for x
    x = 293,131,429,903,549,952/898,339,981.40
  6. Step 6: Final answer
    x = 326,303,444.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.